11002231243 has 4 divisors (see below), whose sum is σ = 11006476888. Its totient is φ = 10997985600.

The previous prime is 11002231231. The next prime is 11002231271. The reversal of 11002231243 is 34213220011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11002231243 - 2²¹ = 11000134091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11002231243.

It is not an unprimeable number, because it can be changed into a prime (11002231043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2118933 + ... + 2124118.

It is an arithmetic number, because the mean of its divisors is an integer number (2751619222).

Almost surely, 2^11002231243 is an apocalyptic number.

11002231243 is a deficient number, since it is larger than the sum of its proper divisors (4245645).

11002231243 is an equidigital number, since it uses as much as digits as its factorization.

11002231243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4245644.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11002231243 its reverse (34213220011), we get a palindrome (45215451254).

The spelling of 11002231243 in words is "eleven billion, two million, two hundred thirty-one thousand, two hundred forty-three".